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Suitcase 12VS feed speed problem

03-27-2013, 06:22 PM

Hi everyone i just picked up a Miller Suitcase 12vs and i am having problems with the wire feed speed it will go from 100 to 780 inches per minute in about an 1/8th of an inch of rotation in the knob i have taken it to a Miller rep. and they have told me the PC1 board needed to be replaced so i replaced it and still the same then i replaced the meter board also and still the same thing i have also replaced the "pot" and still nothing. i am at a loss please if anyone has info i am up for any ideas.

Comment

It was taken to a miller repair/sales representative first before anything was replaced they diagnosed it with needing a PC1 board only after that is when parts were replaced and it does it with or without gun attached and disconnected

Comment

A sales rep doesn't have a clue, A real service shop has a test board to see if your board is gone. So a Repair shop telling you that the board is shot, sounds kinda odd. Plus you would have been billed for that time.

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Buyer beware. Doesn't anyone take used equipment from a stranger for a test drive before they hand over large sums of money. This is about the third thread this week I've read where a buyer of used equipment has been taken. It's being sold for a reason is how I look at it.

Comment

the problem ended up being a problem with the rheostat/potentiometer the one on the original meter board was a 10k ohm pot i found the company that made the pot ordered one and replaced just that nothing so i ordered a whole new meter board didnt do anything i went to the electronics store and got a 5k ohm pot and it got better so i wet back and got a 250 ohm pot and installed it a perfecto working like a charm now.